Parisians have a surplus of sights to celebrate, but for one French redditor, simply living in the same city as the Eiffel Tower wasn’t enough—he wanted to see it, from the comfort of his bed, all the time.

The only problem? This was the view from his bedroom window:

Reddit user Lurluberlu

Notice anything missing? Good catch: There’s no Eiffel Tower!

Yesterday, Redditor Lurluberlu shared with the DIY community how he transformed his bleak view into a coveted vantage point overlooking one of the most beloved monuments on Earth.

First, he planned out the positions of his mirrors, borrowing the basic principle of a periscope: